From 521faebc8a7cffe23177c6600bfcfb3c0b9ab1dc Mon Sep 17 00:00:00 2001
From: Geoff Lang <geofflang@chromium.org>
Date: Thu, 06 Mar 2025 19:39:37 -0800
Subject: [PATCH] Disable setting primtive restart for WebGL in the cmd decoder.

Until it's blocked in ANGLE for WebGL contexts, disable it in the
command decoder on the service side.

Bug: 401059730
Change-Id: Ia9c7d951cbd122454afec2f884968e0a709cee77
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6334632
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Kenneth Russell <kbr@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1429307}
---

diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_passthrough.cc b/gpu/command_buffer/service/gles2_cmd_decoder_passthrough.cc
index ad23480..733c553 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_passthrough.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_passthrough.cc
@@ -2170,6 +2170,11 @@
     case GL_DEBUG_OUTPUT:
       return true;
 
+    case GL_PRIMITIVE_RESTART_FIXED_INDEX:
+      // Disable setting primitive restart at the command decoder level until
+      // it's blocked in ANGLE for WebGL contexts.
+      return feature_info_->IsWebGLContext();
+
     default:
       return false;
   }
